1
general::
Phrase(s): subject to something
likely to have something, such as a physical disorder. • The sick man was subject to dizzy spells. • I am subject to frequent headaches.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
1. Be under the control or authority of, as in All citizens in this nation are subject to the law. [First half of 1300s] 2. Be prone or disposed to, as in This child has always been subject to colds. [Late 1300s] 3. Be likely to incur or receive, as in This memo is subject to misinterpretation. [Late 1300s] 4. Depend on, be likely to be affected by, as in Our vacation plans are subject to the boss's whims. [Early 1800s]
American Heritage Idioms